the study of animals, including their classification, structure, physiology, and history the biological characteristics of a particular animal or animal group the fauna characteristic of a particular region
WordReference Random House Learner's Dictionary of American English © 2026
zo•ol•o•gy /zoʊˈɑlədʒi/USA pronunciation
n. [uncountable]
zo•ol•o•gist, n. [countable]See -zoo-.
WordReference Random House Unabridged Dictionary of American English © 2026- Biologythe scientific study of animals, including their characteristics, body structures, development, classification, etc.
zo•ol•o•gist, n. [countable]See -zoo-.
zo•ol•o•gy
(zō ol′ə jē),USA pronunciation n., pl. -gies.
- Zoologythe science or branch of biology dealing with animals.
- Zoologya treatise on zoology.
- Zoologythe animal life of a particular region.
- zoo- + -logy 1660–70
Collins Concise English Dictionary © HarperCollins Publishers::
'zoologic' also found in these entries (note: many are not synonyms or translations):